Like several other national polls, the latest Times/CBS poll shows a considerable “enthusiasm gap” between Republicans and Democrats. Six in 10 Republicans said they were more enthusiastic about voting this year than usual. Four in 10 Democrats said the same. -NYT
Same thing happened in New Jersey, when Chris Christie took over by "beating" John Corzine, which the national Democrats should have taken as an alarm bell: the dems just didn't show up at the polls in key areas of the state, despite visits from Obama to rally the troops.
Separately, it's an amazing propaganda coup in our high-tech, "high education", informational age that the poor would vote GOP.